1. 2/22 & 2/ th Grade Agenda
Collect HW: Reading & Notetaking p. 129 – 132
Rock Cycle
Science Fair Presentations (50 Points)
Video: PBS Evolution
Video: Science in Action: Fossils
Text Book Reading: 268 – 271
HW: Reading & Notetaking p. 133 – 134
Reminder: Chap 7 Test on 2/24 & 2/25

2. Reflection
Prompt: Pick an animal that is alive today and draw and describe what it might evolve into in 10 million years.

3. Reflection
Prompt: Write 5 facts that you learned during the Science Fair Presentations.

4. What are the Three Types of Rocks?

5. Rock Cycle

6. Scientists who study fossils are called….
Paleontologists

7. Fossils in which minerals replace all or part of an organism is called…
Petrified Fossils

8. What is relative age of a rock?
The relative age of a rock is its age compared to the ages of other rocks

9. What is the absolute age of a rock?
The absolute age of a rock is the number years since the rock was created.

10. Which layer is the oldest layer of rock?
Bottom Layer is the Oldest Layer
Law of superposition: In horizontal sedimentary rock layer the oldest layer is at the bottom. Each higher layer is younger than the layers below it.